词汇 "nothing comes out of the sack but what was in it" 在中文的含义

"nothing comes out of the sack but what was in it" 在英语中是什么意思?与 Lingoland 一起探索这个词的含义、发音及具体用法

nothing comes out of the sack but what was in it

US /ˈnʌθ.ɪŋ kʌmz aʊt əv ðə sæk bʌt wʌt wəz ɪn ɪt/
UK /ˈnʌθ.ɪŋ kʌmz aʊt əv ðə sæk bʌt wɒt wəz ɪn ɪt/
"nothing comes out of the sack but what was in it" picture

成语

袋子里装什么就只能倒出什么

you cannot get more out of something than what was originally put into it; a person's actions or words reflect their true character or knowledge

示例:
He tried to sound like an expert, but nothing comes out of the sack but what was in it.
他想装成专家,但袋子里装什么就只能倒出什么(真才实学假不了)。
If you don't study, you can't expect to pass; nothing comes out of the sack but what was in it.
如果你不学习,就别指望及格;袋子里装什么就只能倒出什么